Sejoy Cordless Hair Clipper
Sejoy Cordless Hair Clipper User Manual
Brand: Sejoy | Model: Cordless Hair Clipper (Z-blue Variant)
1. Introduction
Thank you for choosing the Sejoy Cordless Hair Clipper. This manual provides detailed instructions for the safe and effective use, maintenance, and care of your new hair clipper. Please read this manual thoroughly before first use and keep it for future reference.
2. What's Included
Your Sejoy Cordless Hair Clipper package includes the following items:
- Sejoy Cordless Hair Clipper (Z-blue)
- Two Guide Combs (0.5-10mm / 10.5-20mm)
- Cleaning Brush
- USB Type-C Charging Cable
- Lubricant Oil Bottle

Image: The Sejoy Cordless Hair Clipper shown with its two guide combs, cleaning brush, USB-C charging cable, and lubricant oil bottle.
3. Setup
3.1 Charging the Clipper
Before first use, fully charge the hair clipper. The LED display will show the battery percentage.
- Connect the USB Type-C charging cable to the charging port at the bottom of the clipper.
- Plug the other end of the USB cable into a compatible USB power source (e.g., USB adapter, power bank, car charger, or PC).
- A full charge takes approximately 90 minutes and provides at least 120 minutes of continuous use. The LED display will indicate charging status.

Image: The hair clipper being charged via its Type-C port, illustrating compatibility with various USB power sources.
3.2 Attaching and Detaching Guide Combs
The clipper comes with two guide combs for different length settings.
- To Attach: Align the guide comb with the clipper head and push it firmly until it clicks into place. Ensure it is securely seated.
- To Detach: Gently press the blade teeth with your thumb and push the comb outward with force. Alternatively, use the thumb by the arrow direction on the comb to release it.

Image: Step-by-step visual guide for disassembling the blade, installing a new cutter head, and attaching a guide comb.
4. Operation
4.1 Powering On/Off
Press the power button located on the front of the clipper to turn it on or off. The LED display will illuminate when the device is active.
4.2 Adjusting Cutting Length
The clipper features a length adjustment dial for precise settings from 0.5mm to 20mm, offering up to 40 precise length options.
- Ensure a guide comb is attached.
- Rotate the adjustment dial to select your desired cutting length. The selected length will be indicated on the dial.

Image: The adjustable dial on the clipper, showing length settings from 0.5mm to 20mm.
4.3 Hair Cutting and Trimming
The Sejoy Cordless Hair Clipper is suitable for various uses, including hair cutting, beard trimming, and body grooming.
- For best results, use on clean, dry hair.
- Move the clipper slowly and steadily against the direction of hair growth.
- Start with a longer length setting and gradually reduce it if a shorter cut is desired.
- The R-shaped blunt design of the blade tip ensures skin-friendly operation.

Image: The clipper being used for self-grooming (beard trimming), creating hair art, and precise beard lining.

Image: A man using the Sejoy clipper to trim his beard in front of a mirror.

Image: A child receiving a haircut using the Sejoy hair clipper, demonstrating its suitability for all ages.
5. Maintenance
5.1 Cleaning the Clipper
The Sejoy Cordless Hair Clipper is IPX7 waterproof, allowing for easy cleaning.
- After each use, turn off the clipper and remove the guide comb.
- Use the included cleaning brush to remove any loose hairs from the blades and the clipper body.
- The blades can be easily removed for thorough cleaning. Rinse the blades and the clipper head under running tap water. The entire body can be washed.
- Ensure the clipper is completely dry before reassembling or storing.

Image: A hand holding the hair clipper under a running faucet, highlighting its IPX7 waterproof feature for easy cleaning.

Image: The hair clipper partially submerged in water, visually confirming its IPX7 waterproof capability.
5.2 Oiling the Blades
Regular oiling helps maintain blade performance and longevity.
- Apply a few drops of the included lubricant oil to the blades after every few uses, or as needed.
- Turn on the clipper for a few seconds to distribute the oil evenly.
- Wipe off any excess oil with a soft cloth.
5.3 Storage
Store the clipper in a cool, dry place, away from direct sunlight and out of reach of children.
6. Troubleshooting
If you encounter any issues with your Sejoy Cordless Hair Clipper, please refer to the following common solutions:
- Clipper not turning on: Ensure the battery is fully charged. Connect the clipper to the charger and check the LED display.
- Poor cutting performance / pulling hair:
- Clean the blades thoroughly to remove any trapped hairs or debris.
- Apply lubricant oil to the blades.
- Ensure the guide comb is correctly attached and not damaged.
- The battery might be low; recharge the clipper.
- Unusual noise: Clean and oil the blades. If the noise persists, contact customer support.
For issues not covered here, please contact Sejoy customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Model | Cordless Hair Clipper (Z-blue) |
| Blade Material | High Quality Carbon Steel |
| Cutting Lengths | 0.5mm - 20mm (40 precise settings) |
| Battery Type | 1 Lithium Ion battery (included) |
| Charging Time | Approx. 90 minutes |
| Operating Time | Approx. 120 minutes |
| Charging Port | USB Type-C |
| Waterproof Rating | IPX7 (Whole body washable) |
| Noise Level | Less than 60 dB |
| Item Weight | 0.24 Kilograms (8.47 ounces) |
| Package Dimensions | 6.97 x 3.98 x 1.93 inches |
| Manufacturer | JOYTECH Healthcare Co.,Ltd |
8. Warranty and Support
Sejoy products are manufactured with high-quality standards. For information regarding warranty coverage, product support, or to report any issues, please refer to the warranty card included in your product packaging or visit the official Sejoy website. Please retain your proof of purchase for warranty claims.
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